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Microstructure and mechanical properties of friction stir processed Cu with an ideal ultrafine-grained structure
Xue, P; Wang, BB; Chen, FF; Wang, WG; Xiao, BL; Ma, ZY; Ma, ZY (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Peoples R China.
2016-11-01
发表期刊MATERIALS CHARACTERIZATION
ISSN1044-5803
卷号121页码:187-194
摘要Ultrafine-grained (UFG) Cu with uniform microstructure was successfully prepared by friction stir processing (FSP) under additional water cooling. FSP Cu exhibited equiaxed grains with low dislocation density, weak texture, and high fraction of high-angle grain boundaries. Isotropy and tension-compression symmetry were achieved in FSP Cu sample, which provided an ideal model material to investigate the intrinsic mechanical behavior of the UFG material. Enhanced strain hardening was achieved in FSP Cu due to the special microstructure which was effective in accumulating dislocations, resulting in good strength-ductility synergy. This study provides a feasible strategy of preparing bulk UFG materials with good mechanical properties. (C) 2016 Elsevier Inc. All rights reserved.
部门归属[xue, p. ; chen, f. f. ; xiao, b. l. ; ma, z. y.] chinese acad sci, shenyang natl lab mat sci, inst met res, 72 wenhua rd, shenyang 110016, peoples r china ; [wang, b. b. ; wang, w. g.] liaoning shihua univ, sch mech engn, 1 west dandong rd, fushun 113001, peoples r china
关键词Friction Stir Processing Ultrafine-grained Structure Pure Copper Microstructure Strength Ductility
学科领域Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering ; Materials Science, Characterization & Testing
资助者National Natural Science Foundation of China [51301178, 51331008]
收录类别sci
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/76193
专题中国科学院金属研究所
通讯作者Ma, ZY (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Peoples R China.
推荐引用方式
GB/T 7714
Xue, P,Wang, BB,Chen, FF,et al. Microstructure and mechanical properties of friction stir processed Cu with an ideal ultrafine-grained structure[J]. MATERIALS CHARACTERIZATION,2016,121:187-194.
APA Xue, P.,Wang, BB.,Chen, FF.,Wang, WG.,Xiao, BL.,...&Ma, ZY .(2016).Microstructure and mechanical properties of friction stir processed Cu with an ideal ultrafine-grained structure.MATERIALS CHARACTERIZATION,121,187-194.
MLA Xue, P,et al."Microstructure and mechanical properties of friction stir processed Cu with an ideal ultrafine-grained structure".MATERIALS CHARACTERIZATION 121(2016):187-194.
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